73540060768 has 48 divisors (see below), whose sum is σ = 148397102784. Its totient is φ = 35857566720.

The previous prime is 73540060751. The next prime is 73540060799. The reversal of 73540060768 is 86706004537.

It is a super-2 number, since 2×73540060768² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328348 + ... + 504868.

It is an arithmetic number, because the mean of its divisors is an integer number (3091606308).

Almost surely, 2^73540060768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73540060768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74198551392).

73540060768 is an abundant number, since it is smaller than the sum of its proper divisors (74857042016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73540060768 is a wasteful number, since it uses less digits than its factorization.

73540060768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176855 (or 176847 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 73540060768 in words is "seventy-three billion, five hundred forty million, sixty thousand, seven hundred sixty-eight".